Answer :
Sure! Let's solve the problem step-by-step:
1. Identify the Given Data:
- The total area of the circle is [tex]\( 187 \)[/tex] square inches.
- The area of the sector is [tex]\( 67 \)[/tex] square inches.
2. Understand the Relationship:
- The formula for the area of a sector of a circle is given by:
[tex]\[ \text{Sector Area} = \left(\frac{\theta}{360}\right) \times \pi r^2 \][/tex]
where [tex]\(\theta\)[/tex] is the central angle of the sector in degrees, and [tex]\(r\)[/tex] is the radius of the circle.
- We are given the total area of the circle, from which we can derive:
[tex]\[ \text{Total Area} = \pi r^2 \][/tex]
- Thus, the ratio of the sector area to the total area can also be represented as:
[tex]\[ \frac{\text{Sector Area}}{\text{Total Area}} = \frac{\theta}{360} \][/tex]
3. Apply the Known Values:
- Given [tex]\(\text{Sector Area} = 67\)[/tex] square inches and [tex]\(\text{Total Area} = 187\)[/tex] square inches, we substitute these into the ratio:
[tex]\[ \frac{67}{187} = \frac{\theta}{360} \][/tex]
4. Solve for [tex]\(\theta\)[/tex]:
- To isolate [tex]\(\theta\)[/tex], multiply both sides by [tex]\(360\)[/tex]:
[tex]\[ \theta = \frac{67}{187} \times 360 \][/tex]
5. Calculate the Central Angle:
- When the calculation is performed:
[tex]\[ \theta \approx 128.98^\circ \][/tex]
6. Compare to Given Options:
- The obtained angle, approximately [tex]\(128.98^\circ\)[/tex], needs to be compared against the provided options:
- (1) 60°
- (2) 90°
- (3) 120°
- (4) 240°
Since [tex]\(128.98^\circ\)[/tex] is closest to one of the given options but does not directly match any, it suggests that none of the provided options is a good fit. This indicates you might verify or cross-check the given options. However, given the angle is about [tex]\(129^\circ\)[/tex], we see it clearly falls near neither of the choices (1) 60°, (2) 90°, (3) 120°, nor (4) 240°.
Therefore, with the result showing approximately [tex]\(128.98^\circ\)[/tex], it proves that no exact match is present in the options provided. More precisely, there might have been a problem in listing the closest angles/choices. Double-check on the question approach or choices verification might be needed for refined exactness if applicable precisely!
1. Identify the Given Data:
- The total area of the circle is [tex]\( 187 \)[/tex] square inches.
- The area of the sector is [tex]\( 67 \)[/tex] square inches.
2. Understand the Relationship:
- The formula for the area of a sector of a circle is given by:
[tex]\[ \text{Sector Area} = \left(\frac{\theta}{360}\right) \times \pi r^2 \][/tex]
where [tex]\(\theta\)[/tex] is the central angle of the sector in degrees, and [tex]\(r\)[/tex] is the radius of the circle.
- We are given the total area of the circle, from which we can derive:
[tex]\[ \text{Total Area} = \pi r^2 \][/tex]
- Thus, the ratio of the sector area to the total area can also be represented as:
[tex]\[ \frac{\text{Sector Area}}{\text{Total Area}} = \frac{\theta}{360} \][/tex]
3. Apply the Known Values:
- Given [tex]\(\text{Sector Area} = 67\)[/tex] square inches and [tex]\(\text{Total Area} = 187\)[/tex] square inches, we substitute these into the ratio:
[tex]\[ \frac{67}{187} = \frac{\theta}{360} \][/tex]
4. Solve for [tex]\(\theta\)[/tex]:
- To isolate [tex]\(\theta\)[/tex], multiply both sides by [tex]\(360\)[/tex]:
[tex]\[ \theta = \frac{67}{187} \times 360 \][/tex]
5. Calculate the Central Angle:
- When the calculation is performed:
[tex]\[ \theta \approx 128.98^\circ \][/tex]
6. Compare to Given Options:
- The obtained angle, approximately [tex]\(128.98^\circ\)[/tex], needs to be compared against the provided options:
- (1) 60°
- (2) 90°
- (3) 120°
- (4) 240°
Since [tex]\(128.98^\circ\)[/tex] is closest to one of the given options but does not directly match any, it suggests that none of the provided options is a good fit. This indicates you might verify or cross-check the given options. However, given the angle is about [tex]\(129^\circ\)[/tex], we see it clearly falls near neither of the choices (1) 60°, (2) 90°, (3) 120°, nor (4) 240°.
Therefore, with the result showing approximately [tex]\(128.98^\circ\)[/tex], it proves that no exact match is present in the options provided. More precisely, there might have been a problem in listing the closest angles/choices. Double-check on the question approach or choices verification might be needed for refined exactness if applicable precisely!
